Add a TODO test for block evals segfaulting on syntax errors.

[p5sagit/p5-mst-13.2.git] / t / op / exp.t

diff --git a/t/op/exp.t b/t/op/exp.t
old mode 100755 (executable)
new mode 100644 (file)
index 689f367..9bc44b4
--- a/t/op/exp.t
+++ b/t/op/exp.t
@@ -6,7 +6,7 @@ BEGIN {
     require './test.pl';
 }
 
-plan tests => 6;
+plan tests => 16;
 
 # compile time evaluation
 
@@ -16,7 +16,7 @@ is(substr($s,0,5), '1.414');
 $s = exp(1);
 is(substr($s,0,7), '2.71828');
 
-ok(exp(log(1)) == 1);
+cmp_ok(exp(log(1)), '==', 1);
 
 # run time evaluation
 
@@ -28,4 +28,32 @@ is(substr($s,0,5), '1.414');
 $s = exp($x1);
 is(substr($s,0,7), '2.71828');
 
-ok(exp(log($x1)) == 1);
+cmp_ok(exp(log($x1)), '==', 1);
+
+# tests for transcendental functions
+
+my $pi = 3.1415926535897931160;
+my $pi_2 = 1.5707963267948965580;
+
+sub round {
+   my $result = shift;
+   return sprintf("%.9f", $result);
+}
+
+# sin() tests
+cmp_ok(sin(0), '==', 0.0);
+cmp_ok(round(sin($pi)), '==', 0.0);
+cmp_ok(round(sin(-1 * $pi)), '==', 0.0);
+cmp_ok(round(sin($pi_2)), '==', 1.0);
+cmp_ok(round(sin(-1 * $pi_2)), '==', -1.0);
+
+# cos() tests
+cmp_ok(cos(0), '==', 1.0);
+cmp_ok(round(cos($pi)), '==', -1.0);
+cmp_ok(round(cos(-1 * $pi)), '==', -1.0);
+cmp_ok(round(cos($pi_2)), '==', 0.0);
+cmp_ok(round(cos(-1 * $pi_2)), '==', 0.0);
+
+# atan2() tests were removed due to differing results from calls to
+# atan2() on various OS's and architectures.  See perlport.pod for
+# more information.